#!/bin/bash

#

# render_doIdentityImages.sh -- This function provides image

# rendering feature to centos-art.sh script.

#

# Copyright (C) 2009-2010 Alain Reguera Delgado

# 

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

# 

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307

# USA.

# 

# ----------------------------------------------------------------------

# $Id: render_doIdentityImages.sh 96 2010-09-19 06:39:32Z al $

# ----------------------------------------------------------------------

function render_doIdentityImages {

    local EXPORTID=''

    local EXTERNALFILES=''

    local EXTERNALFILE=''

    # Export id used inside design templates. This value defines the

    # design area we want to export.

    EXPORTID='CENTOSARTWORK'

    # Start processing the base rendering list of FILES. Fun part

    # approching :-).

    for FILE in $FILES; do

        # Call shared variable re-definitions.

        render_getIdentityDefs

        # Check export id inside design templates.

        grep "id=\"$EXPORTID\"" $INSTANCE > /dev/null

        if [[ $? -gt 0 ]];then

            cli_printMessage "`eval_gettext "The export id (\\\$EXPORTID) was not found inside \\\$TEMPLATE."`" "AsErrorLine"

            echo '----------------------------------------------------------------------'

            continue

        fi

        # Define final image width. If FILE name is a number, asume it

        # as the width value of the image being rendered. Otherwise

        # use design template default width value.

        WIDTH=$(basename $FILE)

        if [[ $WIDTH =~ '^[0-9]+$' ]];then

            WIDTH="--export-width=$WIDTH" 

        else

            WIDTH=''

        fi

        # Check =THEME= translation marker existence inside design

        # template instance and replace it with the name of the theme

        # being rendered.

        grep "=THEME=" $INSTANCE > /dev/null

        if [[ $? -eq 0 ]];then

            sed -i -e "s!=THEME=!$(cli_getThemeName)!g" $INSTANCE

        fi

        # Check external files existence. External files are used when

        # reusing background images inside design templates. In these

        # cases external files point to images which contain the

        # appropriate background image used by design template to

        # propagate theme's artistic motif.

        EXTERNALFILES=$(egrep '(xlink:href|sodipodi:absref)="/home/centos/artwork/' $INSTANCE \

            | sed -r 's!^[[:space:]]+!!' \

            | sed -r 's!^(xlink:href|sodipodi:absref)="!!' \

            | sed -r 's!".*$!!' | uniq)

        for EXTERNALFILE in $EXTERNALFILES;do

            cli_checkFiles $EXTERNALFILE

        done

        # Render template instance and modify the inkscape output to

        # reduce the amount of characters used in description column

        # at final output.

        inkscape $INSTANCE \

            --export-id=$EXPORTID $WIDTH \

            --export-png=$FILE.png \

                | sed -r -e "s!Area !`gettext "Area"`: !" \

                -e "s!Background RRGGBBAA:!`gettext "Background"`: RRGGBBAA!" \

                -e "s!Bitmap saved as:.+/trunk/!`gettext "Saved as"`: trunk/!"

        # Remove template instance. 

        if [[ -a $INSTANCE ]];then

            rm $INSTANCE

        fi

        # Check post-rendering actions. Do we have any? If we don't,

        # then continue with the next file in the list.

        if [[ ${#ACTIONS[@]} -lt 1 ]];then

            continue

        fi

        # Execute post-rendering actions.

        for ACTION in "${ACTIONS[@]}"; do

            if [[ "$ACTION" == '' ]] || [[ "$ACTION" == 'renderImage' ]];then

                continue

            fi

            case "$ACTION" in

                renderSyslinux )

                    render_doIdentityImageSyslinux $FILE

                    ;;

                renderGrub )

                    render_doIdentityImageGrub $FILE

                    ;;

                renderKSplash )

                    render_doIdentityImageKsplash $FILE

                    ;;

                renderFormats:* )

                    render_doIdentityImageFormats $FILE "$ACTION"

                    ;;

                renderBrands:* )

                    render_doIdentityImageBrands "$FILE" "$ACTION"

                    ;;

                groupByFormat:* )

                    groupByFormat "$FILE" "$ACTION"

                    ;;

            esac

        done

        echo '----------------------------------------------------------------------'

   done \

      | awk 'BEGIN {FS=": "} \

         { if ( $0 ~ /^-+$/ ) print $0; else \

            printf "%-15s\t%s\n", $1, $2 }'

}